In order to follow this guide, you'll need a USB flash drive with at least 4GB of free space and a copy of the Windows 7 installation disc. Windows 7 USB DVD Download Tool ...

Here's how to legally download Windows 7 and make your own install disc. This way you don't have to deal with bloatware or fuss with the limited options of the Restore disc that came with your PC.

Backup data Boot to Windows 7 installation disc Select "Custom Installation" and re-create primary drive partition (s) Patience (approximately 30 minutes) Re-configure OS and restore backup ...

Step 3: Obtain your copy of Windows 8 Depending on how you want to purchase the new OS, you can install it either by DVD or by USB drive.